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Motility |
Pseudopodia |
Cilia |
Flagella |
Immobile |
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Examples |
Amoeba |
Paramecium |
Trypanosoma, Trichonympha |
Toxoplasma |
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Habitat/ Lifestyle |
free living; bottom dwellers. scavengers in rivers, lakes, streams; some parasitic |
free-living; marine or fresh water |
some parasitic; free-living in lakes and ponds |
all parasitic; live in body fluids of host |
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Structure |
jelly-like; changes shape |
covered by hard pellicle (shell) |
whip-like tail called flagella |
all parasitic; live in body fluids of host |
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Nutrition |
decaying organic matter; phagocytosis, absorption |
takes in food through oral groove and mouth pore |
whip-like tail called flagella |
conical top |
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Reproduction |
binary fission; can form cysts under adverse conditions |
binary fission; conjugation |
binary fission |
complex life cycle involves many hosts, sexual and asexual phases |
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Significance |
causes amoebic dysentery |
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Trypanosoma lives in blood of host; causes African sleeping sickness; transmitted by tsetse fly. Trichonympha lives in the gut of termites with bacteria to convert cellulose to soluble fiber |
Plasmodium causes malaria. symptoms include fever, anemia, destruction of RBCs |
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Meaning of Name |
green algae |
brown algae |
red algae |
golden brown algae |
fire algae |
true eye |
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Examples |
Chlamydomonas Volvox Spirogyra |
Macrocystis |
Sebdina |
diatoms |
dinoflagellate |
Euglena |
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Habitat |
aquatic; moist terrestrial areas |
marine |
marine |
marine; fresh water |
marine |
fresh water |
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Structure |
unicellular; colonial; filamentous; thalloid |
multicellular (large) |
multicellular (smaller than brown algae) |
unicellular; colonial |
unicellular |
unicellular |
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Food Storage |
starch (located in pyrenoid) |
laminarin |
starch |
oil |
starch |
starch |
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Significance |
food producer; plankton; important part of food chain |
used in ice cream, sherbet, cream cheese to give a smooth, stable consistency |
carageenan used in cosmetics, gelatin capsules, cheeses; some produce calcium carbonate for coral reefs |
silica in shells used in abrasives, detergents, paint removers, fertilizers (diatomaceous earth); responsible for bulk of worlds photosynthesis |
red tides (population explosion), produce toxins that cause respiratory problems in humans if ingested (usually by eating shellfish) |
both plant and animal like characteristics |
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Common Name |
terrestrial molds |
sac fungi (largest group) |
club fungi |
imperfect fungi |
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Examples |
black bread molds (Rhizopus) |
truffles, morels, yeast, penicillium; powdery mildews |
mushrooms, puffballs, shelf fungi, rusts, smuts |
ringworm, athletes foot, yeast |
reindeer moss |
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Structure |
rhizoids: hyphae used for anchorage and absorption of nutrients |
spores formed in sac (ascus) |
visible portion: fruiting body composed of stalk, cap, and gills |
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crustose lichen (bare rock); foliose lichen (leaflike); fruticose (shrubby). mutualistic relationship between algae and sac fungus |
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Significance |
found on fruit, bread. whitish or grayish in appearance |
yeast cause bread to rise; blue green molds used in cheeses, produce antibiotics; responsible for chestnut tree blight; Dutch elm disease |
mushrooms collected as food; rusts and smuts are parasitic fungi that attack grains |
Candidia albicans responsible for thrush, moniliasis |
pioneer species: can survive harsh environmental conditions. indicator species: extremely sensitive to air pollution |